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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> Drive Motor Battery Noise >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.

The hybrid drive motor generator battery has very few moving parts. The moving parts are the 3 high voltage (HV) contactor relays, the hybrid drive motor battery vent fan relay, and the vent fan motor.

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